drive link

Morning. I bought a new Husqvarna chain at Lowes for my Husqvarna 460 Rancher (no Oregon chains for 20"), which has an Oregon AdvanceCut bar 200SFHK095 on the 460 Rancher. 20" / 50cm bar 3/8 pitch .050 gauge My question is about the Husqvarna chain packaging for the 20" chain, which states...

I was given a PoulanPro 5020av for my birthday. I immediately put an OREGON 72LGX070G 70 Drive Link Super Guard Chain, 3/8-Inch Big difference (using 93 octane ethanol free gas made a big difference as well) I ordered another one from Amazon and they sent 72LGX072G 72 Drive Link Super Guard...